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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00002103naa a2200289 4500
001oai:DiVA.org:kth-18917
003SwePub
008100805s2009 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-189172 URI
024a https://doi.org/10.1016/j.apgeochem.2009.07.0152 DOI
040 a (SwePub)kth
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Degueldre, C.4 aut
2451 0a Investigations of clay colloid aggregates by scanning transmission X-ray microspectroscopy of suspensions
264 1b Elsevier BV,c 2009
338 a print2 rdacarrier
500 a QC 20100525
520 a The environmental behaviour of colloidal clay in aquatic systems is linked to the properties of their aggregates. Earlier investigations of clay colloids were performed with electron microscope techniques which caused de-hydration of the particles. Information on the structure of colloid aggregates is needed for understanding their sedimentation behaviour, as well as colloid contaminant transport properties in natural systems. Scanning transmission X-ray microspectroscopy successfully produced images of montmorillonite colloid aggregates in a pseudo-equilibrium state in 1 mM NaCl suspensions equilibrated for more than a year. These clay aggregates were revealed at photon energies below the O absorption edges of clay and water. They were spherical or ellipsoidal with diameters of the order of 100-800 nm. The aggregates are porous and gel like with lower densities than the clay mineral. These investigations are important for modelling the occurrence of clay aggregates in aqueous environments.
700a Raabe, J.4 aut
700a Wold, Susannau KTH,Kärnkemi4 aut0 (Swepub:kth)u11y1fb9
710a KTHb Kärnkemi4 org
773t Applied Geochemistryd : Elsevier BVg 24:10, s. 2015-2018q 24:10<2015-2018x 0883-2927x 1872-9134
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-18917
8564 8u https://doi.org/10.1016/j.apgeochem.2009.07.015

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Degueldre, C.
Raabe, J.
Wold, Susanna
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Applied Geochemi ...
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Kungliga Tekniska Högskolan

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